<!--<link rel='stylesheet' href='/stylesheets/maincomp.css' />-->
<div class="_title">
    <p>Expanding-menu(展开菜单)</p>
</div>

<p class="_des"> start: </p>
<script src="https://gist.github.com/justwithtimer/919df4e16c9386694b474a0d495902d4.js"></script>
<div class="effect"></div>

